have done 的用法!

来源：学生作业帮编辑：搜搜做题作业网作业帮分类：英语作业时间：2024/05/30 22:39:43

have done 的用法!
and my wife wants to know if she needs to have her hair done for this occasion.为什么此举句中用了have done这完成时态?这句话不是问句!

have在这个搭配里是使役动词意为使...让...
have sth done 就是使某物成一种...的状态
比如 have her hair done 意思是使头发被修理其实就是说剪头发
这个结构强调的是sth是被动的接受动作,而不是主动,并且可以不标明动作的施行者,只强调接受动作的一方.
拿上面的例子来说强调头发剪掉不用说明剪头发的是谁
跟时态没有什么关系只要套用就行了.
一般现在时 she has her hair done.
现在完成的话就是 have had sth done
过去完成是 had have sth done
再问：既然是被动done ，那怎么没有be出现呢？
再答： be是代表动词被动其实在语法里是后置形容词成分千万不要只记得 be + 被动在这句句子里 have 充当了动词就不可能有Be 的出现

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